Isotope Effect on the Thermal Conductivity of Graphene

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This article studies the thermal conductivity (TC) of isolated graphene with different concentrations of isotope.

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5 p.

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Zhang, Hengji; Lee, Geunsik; Fonseca, Alexandre F.; Borders, Tammie L. & Cho, Kyeongjae July 7, 2010.

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This article studies the thermal conductivity (TC) of isolated graphene with different concentrations of isotope.

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5 p.

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Abstract: The thermal conductivity (TC) of isolated graphene with different concentrations of isotope (C13) is studied with equilibrium molecular dynamics method at 300 K. In the limit of pure C12 or C13 graphene, TC of graphene in zigzag and armchair directions are ∼630 W/mK and ∼1000W/mK, respectively. We find that the TC of graphene can be maximally reduced by ∼80%, in both armchair and zigzag directions, when a random distribution of C12 and C13 is assumed at different doping concentrations. Therefore, our simulation results suggest an effective way to tune the TC of graphene without changing its atomic and electronic structure, thus yielding a promising application for nanoelectronics and thermoelectricity of graphene-based nano device.

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  • Journal of Nanomaterials, 2010. Cairo, Egypt: Hindawi Publishing Corporation

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  • Publication Title: Journal of Nanomaterials
  • Volume: 2010
  • Pages: 1-5
  • Peer Reviewed: Yes

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  • June 1, 2010

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  • July 7, 2010

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  • July 7, 2010

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  • Aug. 29, 2017, 9:38 a.m.

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Zhang, Hengji; Lee, Geunsik; Fonseca, Alexandre F.; Borders, Tammie L. & Cho, Kyeongjae. Isotope Effect on the Thermal Conductivity of Graphene, article, July 7, 2010; Cairo, Egypt. (digital.library.unt.edu/ark:/67531/metadc991011/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.